Package edu.wpi.first.networktables

Interface IntegerSubscriber

All Superinterfaces:
AutoCloseable, LongSupplier, PubSub, Subscriber
All Known Subinterfaces:
IntegerEntry
public interface IntegerSubscriber
extends Subscriber, LongSupplier
NetworkTables Integer subscriber.

  • Method Summary

    Modifier and Type Method Description
    long get()
    Get the last published value.
    long get​(long defaultValue)
    Get the last published value.
    default long getAsLong()  
    TimestampedInteger getAtomic()
    Get the last published value along with its timestamp If no value has been published, returns the stored default value and a timestamp of 0.
    TimestampedInteger getAtomic​(long defaultValue)
    Get the last published value along with its timestamp If no value has been published, returns the passed defaultValue and a timestamp of 0.
    IntegerTopic getTopic()
    Get the corresponding topic.
    TimestampedInteger[] readQueue()
    Get an array of all value changes since the last call to readQueue.
    long[] readQueueValues()
    Get an array of all value changes since the last call to readQueue.

    Methods inherited from interface edu.wpi.first.networktables.PubSub

    close, getHandle, isValid

    Methods inherited from interface edu.wpi.first.networktables.Subscriber

    exists, getLastChange

  • Method Details

    • getTopic

      IntegerTopic getTopic()
      Get the corresponding topic.
      Specified by:
      getTopic in interface PubSub
      Returns:
      Topic

    • get

      long get()
      Get the last published value. If no value has been published, returns the stored default value.
      Returns:
      value

    • get

      long get​(long defaultValue)
      Get the last published value. If no value has been published, returns the passed defaultValue.
      Parameters:
      defaultValue - default value to return if no value has been published
      Returns:
      value

    • getAsLong

      default long getAsLong()
      Specified by:
      getAsLong in interface LongSupplier

    • getAtomic

      TimestampedInteger getAtomic()
      Get the last published value along with its timestamp If no value has been published, returns the stored default value and a timestamp of 0.
      Returns:
      timestamped value

    • getAtomic

      TimestampedInteger getAtomic​(long defaultValue)
      Get the last published value along with its timestamp If no value has been published, returns the passed defaultValue and a timestamp of 0.
      Parameters:
      defaultValue - default value to return if no value has been published
      Returns:
      timestamped value

    • readQueue

      TimestampedInteger[] readQueue()
      Get an array of all value changes since the last call to readQueue. Also provides a timestamp for each value.

      The "poll storage" subscribe option can be used to set the queue depth.

      Returns:
      Array of timestamped values; empty array if no new changes have been published since the previous call.

    • readQueueValues

      long[] readQueueValues()
      Get an array of all value changes since the last call to readQueue.

      The "poll storage" subscribe option can be used to set the queue depth.

      Returns:
      Array of values; empty array if no new changes have been published since the previous call.